A valve having an orifice in the poppet, disk, or the like, to permit restricted fluid flow when the valve is seated. It does not have a stem or provisions for pressure adjustments, and is similar to a valve, check with the exception of the orifice which permits fluid flow in more than one direction.
Classification: Check valves of materials other than copper, iron or steel
NSN 5990-01-387-3820
NSN 6220-01-560-4508
NSN 5930-01-089-6713
NSN 4140-00-715-9946
NSN 5915-01-227-6881
NSN 5960-01-485-7532
NSN 6610-01-555-8364
NSN 6685-01-615-7227
NSN 5935-01-472-2368
NSN 6150-01-387-1139
NSN 5855-00-014-5008
NSN 6150-00-925-5745